552523140 has 96 divisors (see below), whose sum is σ = 1851212160. Its totient is φ = 136003968.

The previous prime is 552523129. The next prime is 552523157. The reversal of 552523140 is 41325255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32334 + ... + 46373.

It is an arithmetic number, because the mean of its divisors is an integer number (19283460).

Almost surely, 2^552523140 is an apocalyptic number.

It is an amenable number.

552523140 is an abundant number, since it is smaller than the sum of its proper divisors (1298689020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552523140 is a wasteful number, since it uses less digits than its factorization.

552523140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78738 (or 78730 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 552523140 is about 23505.8107709562. The cubic root of 552523140 is about 820.5722458101.

Adding to 552523140 its reverse (41325255), we get a palindrome (593848395).

The spelling of 552523140 in words is "five hundred fifty-two million, five hundred twenty-three thousand, one hundred forty".